Derm Vivas ·
Special stains and immunofluorescence in dermatopathology — Viva
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Q1: Specimen handling (2 min)
Contrast formalin versus Michel medium. What is the correct DIF biopsy site?
Q2: DIF patterns (3 min)
Draw/describe fishnet IgG, linear BMZ IgG/C3, and granular IgA papillary patterns with one disease each.
Q3: Salt-split (2 min)
Explain the lamina lucida split and roof versus floor teaching rule.
Q4: Special stains menu (3 min)
When do you order PAS/GMS, AFB/Fite, VVG, and Congo red?
Q5: Pitfalls (2 min)
List three causes of false-negative DIF and one reason negative fungal stains may still not exclude infection.